/Engine/Plugins/Enterprise/DataprepEditor/Source/DataprepCore/Public/DataprepAsset.h
Insert a copy of each action into the Dataprep asset at the requested index
True if the insertion is successful, false if the actions or the index are invalid
bool InsertActions ( const [TArray](API\Runtime\Core\Containers\TArray)< const [UDataprepActionAsset](API\Plugins\DataprepCore\UDataprepActionAsset_1) * > & InActions, int32 Index )